#7 - Backbreaking Bananas - while these might still be the hardest ones.

Levels #8 - #13 are each made by one designer. The individual rooms are repeats from above.

#8 - One Hundred Candle Bonfire - by James

#9 - Unlicensed Archaeology - by Ihavenoname248

#10 - Testing Room A: Subject #2357 - by RB3ProKeys

#11 - The Full Dave - by geodave

#12 - Dodgy Dodging - by rubenspaans

#13 - Miika's Five Rooms - by M11k4

Levels #15 - #47 are the rooms separately. You can thus practice them or build your own combinations.

Levels #49 - #53 are the templates that can be used to build completely new rooms.

Thanks to all who made something for this set! Check out the thread for more details on the competition and set. All feedback is appreciated. You can even make your own challenges and combinations of rooms and still send them to me for a possible future release.